| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/23/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 01/23/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 01/03/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 01/03/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 01/03/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/02/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/02/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 11/26/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 11/13/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 08/29/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | 
